Postal Code for Riderwood, Maryland
The postal code for Riderwood, Maryland, United States is 21139. With map location and coordinates.
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The postal code for Riderwood, Maryland, United States is 21139:
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 21139 | Riderwood | Baltimore | 39.409, -76.649 |
‹ All postal codes in Maryland
Frequently asked questions
What is the postal code of Riderwood?
The postal code of Riderwood is 21139.
Why does Riderwood have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.